Margaret, Countess of Anjou (1273 – 31 December 1299) was Countess of Anjou and Maine in her own right and Countess of Valois, Alençon, Chartres and Perche by marriage. Margaret's father was King Charles II of Naples, whilst her husband was Charles of Valois, and her older brother was Saint Louis of Toulouse; her nephew was Charles I of Hungary.